Method and apparatus for sealing cracks
First Claim
Patent Images
1. A portable dispensing device for dispensing a crack sealant, comprising:
- a) an outer housing;
b) a melting kettle for holding said crack sealant to be melted;
c) a guide mechanism in said housing in an air gap below said kettle;
d) a removable burner assembly having a chassis and a burner mounted to said chassis, said chassis removably mating to said guide, and holing said burner to direct a flame against a surface of the melting kettle;
e) a control valve fluidly connected to the melting kettle to dispense melted crack sealant; and
f) a handle assembly for manually moving said portable dispensing device.
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Accused Products
Abstract
A portable dispensing device for dispensing a crack sealant, comprises an outer housing, a melting kettle for holding crack sealant to be melted, a guide mechanism in the housing below the kettle for positioning a burner below the kettle, a burner assembly removably mounted in an air gap between the outer housing and the melting kettle using the guide mechanism, the removable burner assembly configured to direct a flame against a surface of the melting kettle, a control valve fluidly connected to the melting kettle to dispense melted crack sealant, and a handle assembly for manually moving the portable dispensing device.
17 Citations
21 Claims
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1. A portable dispensing device for dispensing a crack sealant, comprising:
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a) an outer housing; b) a melting kettle for holding said crack sealant to be melted; c) a guide mechanism in said housing in an air gap below said kettle; d) a removable burner assembly having a chassis and a burner mounted to said chassis, said chassis removably mating to said guide, and holing said burner to direct a flame against a surface of the melting kettle; e) a control valve fluidly connected to the melting kettle to dispense melted crack sealant; and f) a handle assembly for manually moving said portable dispensing device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for dispensing a crack sealant, comprising:
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a) inserting sealant in a melting kettle within a housing of a dispenser; b) inserting a burner assembly through an opening in said dispenser housing and matingly engaging a chassis of said burner assembly to a guide in said housing so that a burner of said burner assembly is positioned to direct a flame upwardly against an underside of said melting kettle; c) igniting said flame at said burner by operation of an ignition control device outside said housing; d) depositing molten sealant into said crack by manually moving said dispenser along said crack. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A portable dispensing device for dispensing a crack sealant, comprising:
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a) an outer housing; b) a melting kettle for holding said crack sealant to be melted; c) a guide mechanism in an air gap in said housing below said kettle; d) a burner assembly having a chassis and a burner mounted to said chassis, said chassis matingly engaging said guide mechanism and holding said burner to direct a flame against a surface of the melting kettle; and e) a control valve fluidly connected to the melting kettle to dispense melted crack sealant.
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Specification